What happens when you let engineers have completely free reign? No regulations, no power limits and whatever mad aero design they can come up with. Well, you get crazy-powerful, high-downforce - monsters. This is exactly what they do in the Unlimited Division at Pikes Peak, where we get to see how they stack up against each other, as well as how it can go wrong. Home-designed and made machines can compete against big-money international car companies to race to the top of the 14,000-foot mountai